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CVE-2021-44667

MediumPublished

A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.

Published: Mar 11, 2022
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 55.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.

Sources

alibaba__nacos_CVE-2021-44667_2-0-3Exploit
Exploit for CVE-2021-44667 targeting Alibaba Nacos 2.0.3, enabling unauthenticated remote code execution via a crafted request to the Derby database interface.

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